How to Change an AirPort Password (7 Steps)

Open a new Finder window by clicking on the icon in the Dock.
Navigate to the 'Utilities' folder, which is located in the 'Applications' section of the Mac hard drive.
Double-click on the 'AirPort Utility' icon. The AirPort configuration program will launch and begin scanning for nearby AirPort wireless routers.
Highlight your AirPort wireless router from the list of available devices on the left side of the window. Then click on the 'Manual Setup' button at the bottom of the window.
Go to the 'Wireless' tab at the top of the window.
Enter a new password for your AirPort wireless network in the 'Wireless password' and 'Verify Password' fields.
Click on the 'Update' button at the bottom of the window to save the settings and change your AirPort password.
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How to Ping an IP Address on a Mac (6 Steps)

Open a new Finder window.
Navigate to the 'Utilities' folder, which can be found in the Applications section of the Mac hard drive.
Double-click on the 'Network Utility' icon to start the networking application.
Click on the 'Ping' tab at the top of the application window.
In the main field, type the IP address you wish to ping, and enter the number of ping attempts you would like to complete.
Click the 'Ping' button to begin testing the connection. Ping results will appear in the main application window.
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How to Reinstall OS X Without Losing Data (7 Steps)

Insert the Mac OS X installation disc and restart the computer.
Hold down the 'C' key while the computer is restarting until the Mac OS X installation utility appears.
Click a language from the list, then click 'Continue.'
Click 'Continue' on the 'Welcome' screen.
Click the drive you want the operating system installed to from the 'Select a Destination' screen, then click 'Options.'
Click the 'Archive and Install' option, check the 'Preserve Users and Network Settings' option, and click 'OK.'
Click 'Continue' on the 'Select a Destination' screen, then click 'Install' on the 'Install Summary' screen to begin the installation process.
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How to Erase Memory on MacBooks

Attach the drive your wish to erase and format to your machine if it is not connected already.
Launch a Finder window, click 'Applications', then 'Utilities'. Double-click the 'Disk Utility' application shortcut.
Click a disk in the Volumes section. Select the Volume type from the 'Volume Format' drop-down box.
Click the 'Security Options' button, then click to select the 'Zero All Data' check box. Click 'OK' then click the 'Erase...' button.
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How to Reboot an Apple iMac to Its Factory Settings

Verify that your iMac is connected to the Internet, click the Apple menu in the upper-left corner of your screen, and then select 'Restart.'
Press and hold 'Command-R' when the iMac gets to the gray screen during the restart process.
Select 'Disk Utility,' and then click 'Continue.'
Click your hard drive on the list of hard disks, and then click the 'Erase' tab.
Click the 'Format' pop-up menu and select 'Mac OS Extended (Journaled).'
Enter a name for your hard drive, and then click 'Erase' to erase its contents. The name you enter is what your hard drive will be called after the reformatting process is complete.
Click 'Disk Utility,' and then click 'Quit Disk Utility' once the hard drive has been erased.
Select 'Reinstall OS X,' and then click 'Continue.'
Follow the on-screen prompts and, when you arrive at the Disk Selection pane, select the hard disk you named in Step 7.
Click 'Install' to reinstall the OS X operating system.
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How to Crop Something From the Web on MacBook

Open a Web browser, then go to the website with the element that you want to crop.
Open the 'Grab' utility in the Utilities folder.
Press Command, Shift and A simultaneously on the keyboard.
Drag the cursor over the area of the Web browser to crop it into an image. When the mouse button is released, the selection from the Web has been cropped.
Press Command and S simultaneously to save the image to a file. After it is saved, it can be further manipulated with other software, or sent in an email.
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How to Maintain a Mac (6 Steps)

Run maintenance scripts to maintain your Mac. These are built into your OS and will run automatically if you leave your system on all the time. If you shut your system down every day, remember to run the appropriate Mac maintenance scripts on a daily, weekly and monthly basis.
Check your hard drive periodically. This can be done from your Disk Utility on your hard drive, or you can boot up from your install CD and run the Disk Utility from there. You will need it anyway should the utility need to repair your hard drive.
Back up your files. You can back up as often as you feel you need to--some people back up daily. In the event of a hard drive crash, you will have a separate copy of all your files. Most users do this with an external hard drive.
Repair permissions to maintain your computer. You really only need to do this after you install any new software or before you clone your hard drive. The Mac was designed to be low maintenance.
Reinstall when necessary. If you are running OS X 10.2 or higher, use the feature called 'Archive and Install.' It will move your system files into a 'Previous System' folder and reinstall your OS. Do this only when you have tried other measures and only after you back up any files you want to keep.
Create a backup of your hard drive on an external Firewire drive.
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How to Save DVD to Hard Drive on OS Mac Snow Leopard

Insert the DVD into the disc drive of the Mac running Snow Leopard.
Open the Disk Utility program, located under the 'Utilities' folder.
Click the volume name of the DVD in the left column of the window. This is the first entry located under the DVD SuperDrive, which is indented slightly.
Click the 'New Image' icon at the top of the window.
Enter a name for the disc image, and then choose a save location on the hard drive.
Click the 'Save' button to finish saving the DVD to the hard drive.
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How to Format SSD on a MacBook (11 Steps)

Backup any information you want to keep that's stored on the SSD.
Connect the SSD to the MacBook.
Click on the 'Go' menu in the Finder.
Select the 'Utilities' option to launch the Utilities folder.
Launch the 'Disk Utility' from the Utilities folder.
Click on the icon for the SSD.
Open the 'Erase' tab, which can be found at the top of the 'Disk Utility' window.
Change the 'Volume Format' drop menu to the 'Mac OS Extended (Journaled)' option.
Change the name of the hard drive under the 'Name:' section if desired.
Click the 'Erase...' button.
Select 'Erase' from the pop-up window that asks if you are sure you want to erase the disk. Wait for the formatting process to complete; it can take several minutes to finish. The drive will be ready for use after the formatting has completed.
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How to Create a Disk Image in Mac OSX (6 Steps)

Insert the disk to convert into the disk drive. Wait for the computer to identify the disk, and add an icon for it on the desktop.
Double click the Macintosh HD (or main hard drive) icon. Select 'Applications' and finally double click 'Disk Utility' under 'Applications.'
Select the disk from the list of hard drive(s) and disks on the left. There should be a small disk icon and then the name of the disk; it appears under a small disk icon with the name of the CD/DVD drive.
Choose 'New Image' from the icons at the top of the window once the disk name is highlighted. It should appear as a drive icon within a page icon with a green and white plus sing in the top right corner.
Create a .CDR file by choosing 'DVD/CD Master' from the Image Format selections. Give the file the desired name in the 'Save As:' panel. Any other selection will create a .DMG file.
Convert a .CDR file to an .ISO file simply by clicking on the file name twice (not double clicking) so that the name is highlighted with a cursor. Erase CDR, and type 'ISO.' Press 'Enter,' and the file is ready for use by Windows-based computers.
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How to Eject a CD That Doesn't Show Up on the Desktop on a Mac

Restart the Mac. Hold down the left-click mouse button. Wait for the CD to eject itself from the Mac. Remove the CD. Press and hold the power button until the Mac shuts itself off.
Launch the Disk Utility program by double-clicking its icon from the “Utilities” folder inside “Applications” folder. Click once on the icon of the CD that has appeared in the left column of the Disk Utility program’s main screen. Click on the “Eject” button at the top of the Disk Utility program’s main screen. Remove the CD from the disk slot. Quit the Disk Utility program.
Launch the Terminal program by double-clicking its icon from the “Utilities” folder in the “Applications” folder. Enter “drutil tray eject” in the window that appears. Press “Return.” Remove the CD. Quit the Terminal program.
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How do I Verify a MacBook S.M.A.R.T. Status? (5 Steps)

Double-click on your 'Macintosh HD' drive from your desktop and then click on the 'Applications' folder.
Click on the 'Utilities' folder and then double-click on the 'Disk Utility' application. The Disk Utility dialog box will then appear on your screen.
Click on the drive that you want to check the S.M.A.R.T. status for from the right side of the dialog box.
Locate the S.M.A.R.T. Status field located on the bottom of the dialog box. If the status reads 'Verified,' your hardware is safe, but if the status reads 'About to Fail,' you should take action by backing up your hard drive immediately.
Close out of the Disk Utility application after checking your S.M.A.R.T. status or perform any other changes, such as repairing the disk.
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How to Copy Burn a DVD on a MacBook

Insert a DVD into the disc drive of the MacBook. Wait for the system to recognize the disc and place a DVD icon on the desktop.
Open the Disk Utility software located inside the Utilities section of the Applications folder (see 1st reference).
Select the DVD disc from the list of connected drives and inserted media in the left frame.
Click the 'New Image' button in the top bracket. Enter a location and name for the disk image and click 'Save' (see Reference 2). Note that DVD discs can take up several gigabytes of hard drive space, so select a drive with adequate space as the destination.
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How to Trace an IP Address on a Mac

Open a new Finder window by clicking on the icon in the dock.
Navigate to the 'Utilities' folder, which is located in the 'Applications' section of the Mac hard drive.
Double-click on the 'Network Utility' icon to start the networking application.
Click on the 'Traceroute' tab at the top of the program window.
Iin the main text field, type the IP address you wish to trace.
Click on the 'Trace' button to begin searching for the IP address. Any trace results will appear in the main application window.
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How to Change a Macbook S.M.A.R.T. Status (6 Steps)

Doucle-click on the 'Macintosh HD' icon from the desktop and then double-click on the 'Applications' folder. Double-click on the 'Utilities' folder.
Double-click on the 'Disk Utility' icon. Click on the main hard drive icon in the left navigation pane.
Look for the 'S.M.A.R.T. Status' field near the bottom of the bottom of the pop-up screen. If the status reads, 'Verified,' then you don't need to change anything, but if it says, 'Failed,' continue to Step 4.
Click on the 'Repair Disk' button and allow for the repair to complete. If the S.M.A.R.T. still reads, 'Failed,' you must restore your hard drive.
Back up all of your computers files to an external hard drive. Go back to the 'Disk Utility' pop-up screen after you've backed up all of your files.
Click your drive again and then click on the 'Erase' tab. Follow the directions to erase your hard drive and then click the 'Erase' button. You hard drive should now be as good as new, and you can check the S.M.A.R.T. status again to make sure it reads, 'Verified.'
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How to Restore My Computer Back to Yesterday's Status

Click the 'Start' icon in the Windows taskbar. Select 'All Programs.' Select 'Accessories.' Select 'System Tools.' Click 'System Restore.' The System Restore utility will open.
Click 'Next.' Click 'Restore my computer to an earlier time.'
Select the restore point closest to the time that you want to restore the computer to. Save any unfinished work before continuing. Click 'Next' to begin the restore. Depending on your machine, this can take a while.
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How to Copy DVDs in a MacBook (6 Steps)

Insert the DVD you want to copy in your MacBook's optical drive.
Click on the 'Go' menu in the finder and highlight 'Utilities.' Double-click on 'Disk Utility.'
Select the DVD drive from the menu on the left of the screen. Go to the 'File' menu, highlight 'New' and select 'Disk Image from [your DVD].'
Enter a save name for the disk image and select a location for it. Set 'Image Format' to 'DVD/CD Master.' Press 'Save.'
Eject the DVD after the disk image appears in the menu on the left side of the window. Insert a blank DVD.
Right-click on the disk image you made in Step 4 and select 'Burn [Your DVD].' Click 'Burn' in the pop-up window.
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How to Clear the Console Log on a Mac (5 Steps)

Open a new Finder window by clicking on the icon in the dock.
Navigate to the 'Applications' folder in the new Finder window. Then find and open the 'Utilities' folder.
Double-click on the 'Console' icon to open the Console utility program. A new window will open that lists all recent error messages the system has recorded.
Click the 'Show Log List' button in the upper left corner of the Console window, then select a specific log file from the left portion of the screen.
Click the 'Clear Display' button at the top of the Console window to reset the log file and clear all existing error messages.
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